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Vilka [71]
2 years ago
8

Find the value of x (5x + 15)

Mathematics
1 answer:
Vladimir [108]2 years ago
4 0

Answer:

  • x = 8

Step-by-step Solution:

<u>We know that:</u>

  • 55 = 5x + 15 (Vertically opposite angles)

<u>Solution:</u>

  • 55 = 5x + 15
  • => 55 - 15 = 5x
  • => 40 = 5x
  • => x = 8

Hence, the value of x is 8.

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What is an equation of the line that passes through the point (-2,-6) and is parallel to the line x+2y=8x+2y=8?
poizon [28]

Answer:

y= -x/2-7

Step-by-step explanation:

We need to write an equation of the line that passes through the point (-2, -6) and is  parallel to the line x + 2y = 8

We need to find slope m and y-intercept b for the new line.

First we need to find slope m of the new line.

The given line x+2y=8 is parallel to new line.

When lines are parallel, there slope is same.

First writing equation in slope-intercept form:  where m is slope and b is y-intercept

Now comparing with  the slope is :

Now finding y-intercept b

Using point (-2,-6) and slope  we can find y-intercept

So, we get y-intercept b = -7

Now the equation of required line having slope  and y-intercept b = -7 is:

So, the equation of new line is:

3 0
2 years ago
Solve for v 2(3v+8)=70
yuradex [85]

Answer:v = 9

Step-by-step explanation:

Simplifying

2(3v + 8) = 70

Reorder the terms:

2(8 + 3v) = 70

(8 * 2 + 3v * 2) = 70

(16 + 6v) = 70

Solving

16 + 6v = 70

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-16' to each side of the equation.

16 + -16 + 6v = 70 + -16

Combine like terms: 16 + -16 = 0

0 + 6v = 70 + -16

6v = 70 + -16

Combine like terms: 70 + -16 = 54

6v = 54

Divide each side by '6'.

v = 9

5 0
3 years ago
Read 2 more answers
How to find percentages
Bas_tet [7]

Answer:

Step-by-step explanation:

To calculate percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a decimal by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage.

Hope this helps!

5 0
3 years ago
Help on this question please. What is the perimeter of ABC?
mestny [16]

Answer:

Step-by-step explanation

5x2=10

3x2=6

2x2=4

the answer would be 20

8 0
3 years ago
Read 2 more answers
Suzanne needs material for her school project. She buys 4.75 yards of material at $5.37 a yard. What is the total cost of the ma
vovangra [49]
The material costs 5.37 for 1 yard.

 Multiply the cost of 1 yard by the number of yards bought:

5.37 per yard x 4.75 yards = $25.51 Total cost.

The answer would be D.
3 0
3 years ago
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